Configuring Epilepsy Analysis

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UNDER CONSTRUCTION***



After installing and configuring the analysis machine: https://megcore.nih.gov/index.php/Configuring_analysis_machine

Configuring Data Editor Layout

Configurations are stored in the ChannelSet.cfg file. Current Montages Include:

  • MEG_LCR_22
  • MEG_LCR_22_EEG_LCR_21
  • EEG_

Creating a View Montage

The data editor layout orders the channels by acquisition order and may not be preferred
To create ordered channels, a virtual channel dataset will need to be created

 DataEditor >> Edit >> Virtual Channels
 Select a virtual channel and add to Plus Box >> Name the new channel (it must be different from acquisition names - choose lowercase or uppercase as a workaround)
 Save the virtual channel .vg file to $HOME/.meg/resources/default.vg

Head Model

 MRIConvert   >> imports mri into ctf format
 MRIViewer -mri CTF.mri >> creates headshape and headmodel >> save to default.hdm
 Dipolefit -hdm default.hdm



Processing Pipeline

check tags >> cat anat+ortho.HEAD | grep TAGSET_LABELS 3dtagalign << avghc.py << creates an average head position changeHeadPos << rewrites the head position

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